// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_APP_LIST_COCOA_APP_LIST_VIEW_CONTROLLER_H_
#define UI_APP_LIST_COCOA_APP_LIST_VIEW_CONTROLLER_H_

#import <Cocoa/Cocoa.h>

#include "base/mac/scoped_nsobject.h"
#include "base/memory/scoped_ptr.h"
#include "ui/app_list/app_list_export.h"
#import "ui/app_list/cocoa/apps_pagination_model_observer.h"
#import "ui/app_list/cocoa/apps_search_box_controller.h"
#import "ui/app_list/cocoa/apps_search_results_controller.h"

namespace app_list {
class AppListViewDelegate;
class AppListModel;
class AppListModelObserverBridge;
}

@class AppListPagerView;
@class AppsGridController;

// Controller for the top-level view of the app list UI. It creates and hosts an
// AppsGridController (displaying an AppListModel), pager control to navigate
// between pages in the grid, and search entry box with a pop up menu.
APP_LIST_EXPORT
@interface AppListViewController : NSViewController <AppsPaginationModelObserver,
                                       AppsSearchBoxDelegate,
                                       AppsSearchResultsDelegate> {
@private
    base::scoped_nsobject<AppsGridController> appsGridController_;
    base::scoped_nsobject<AppListPagerView> pagerControl_;
    base::scoped_nsobject<AppsSearchBoxController> appsSearchBoxController_;
    base::scoped_nsobject<AppsSearchResultsController>
        appsSearchResultsController_;

    // Subview for drawing the background.
    base::scoped_nsobject<NSView> backgroundView_;

    // Subview of |backgroundView_| that slides out when search results are shown.
    base::scoped_nsobject<NSView> contentsView_;

    // Progress indicator that is visible while the delegate is NULL.
    base::scoped_nsobject<NSProgressIndicator> loadingIndicator_;

    app_list::AppListViewDelegate* delegate_; // Weak. Owned by AppListService.

    scoped_ptr<app_list::AppListModelObserverBridge>
        app_list_model_observer_bridge_;
    BOOL showingSearchResults_;
}

@property (readonly, nonatomic) AppsSearchBoxController*
    searchBoxController;

- (app_list::AppListViewDelegate*)delegate;
- (void)setDelegate:(app_list::AppListViewDelegate*)newDelegate;
- (void)onProfilesChanged;

@end

@interface AppListViewController (TestingAPI)

@property (nonatomic, readonly) BOOL showingSearchResults;

- (AppsGridController*)appsGridController;
- (NSSegmentedControl*)pagerControl;
- (NSView*)backgroundView;

@end

#endif // UI_APP_LIST_COCOA_APP_LIST_VIEW_CONTROLLER_H_
